<?php
    function ddd($var){
	    if(is_bool($var)){
	        var_dump($var);
	    }elseif(is_null($var)){
	        var_dum(null);
	    }else{
	        echo "<pre style='position:relative;z-index:999;padding:10px;border-radius:5px;background:#ccc;border:1px solid #aaa;font-zize:14px;line-height:18px;opacity:0.9;'>".print_r($var,true)."</pre>";
	    }
	}